With reference to ancient Indian History, consider the following pairs:

Literary work		Author
(1)	Devichandragupta	Bilhana
(2)	Hammira-Mahakavya	Nayachandra Suri
(3)	Milinda-panha	Nagarjuna
(4)	Nitivakyamrita	Somadeva Suri

How many of the above pairs are correctly matched? 

"Souls are not only the property of animal and plant life, but also of rocks, running water and many other natural. objects not looked on as living by other religious sects."

The above statement reflects one of the core beliefs of which one of the following religious sects of ancient India? 

Who among the following rulers of the Vijayanagara Empire constructed a large dam across the Tungabhadra River and a canal-cum-aqueduct several kilometers long from the river to the capital city? 

Who among the following rulers of medieval Gujarat surrendered Diu to the Portuguese?